Finding the Fourth Proportional to 1,333.05, 1,839.83 and 809.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.05 : 1,839.83 = 809.34 : x
2. Step 2: Convert to fraction form
   1,333.05/1,839.83 = 809.34/x
3. Step 3: Cross multiply
   1,333.05x = 1,839.83 × 809.34
4. Step 4: Simplify right side
   1,333.05x = 1,489,043.97
5. Step 5: Solve for x
   x = 1,489,043.97/1,333.05
6. Step 6: Final answer
   x = 1,117.02